Vulnerabilities > CVE-2008-1735 - Denial of Service vulnerability in Bitdefender Antivirus 2008

047910
CVSS 4.9 - MEDIUM
Attack vector
LOCAL
Attack complexity
LOW
Privileges required
NONE
Confidentiality impact
NONE
Integrity impact
NONE
Availability impact
COMPLETE
local
low complexity
bitdefender
NVD
Published: 2008-04-30
Updated: 2018-10-11

Summary

BitDefender Antivirus 2008 20080118 and earlier allows local users to cause a denial of service (system crash) via an invalid pointer to the CLIENT_ID structure in a call to the NtOpenProcess hooked System Service Descriptor Table (SSDT) function.

Vulnerable Configurations

Part Description Count
Application
Bitdefender
1

Seebug

bulletinFamilyexploit
descriptionBUGTRAQ ID: 28741 CVE(CAN) ID: CVE-2008-1735 BitDefender Antivirus 2008是具有功能强大的反病毒引擎以及互联网过滤技术的杀毒软件。 BitDefender没有正确地验证提供给NtOpenProcess的CLIENT_ID结构指针，如果传送了无效指针的话，就会导致整个系统崩溃。 /----------- NtOpenProcess(PHANDLE ProcessHandle, ACCESS_MASK AccessMask, POBJECT_ATTRIBUTES ObjectAttributes, PCLIENT_ID ClientId ) .text:00010ADE push 0Ch .text:00010AE0 push offset stru_114E8 .text:00010AE5 call __SEH_prolog .text:00010AEA call KeGetCurrentThread .text:00010AEF xor ebx, ebx .text:00010AF1 cmp [eax+140h], bl .text:00010AF7 jz short loc_10B0D .text:00010AF9 call PsGetCurrentProcessId .text:00010AFE call PsGetCurrentProcessId .text:00010B03 push eax .text:00010B04 call sub_10724 .text:00010B09 test eax, eax .text:00010B0B jnz short loc_10B12 .text:00010B0D .text:00010B0D loc_10B0D: ; CODE XREF: sub_10ADE+19_j .text:00010B0D push [ebp+ClientId] .text:00010B10 jmp short loc_10B73 .text:00010B12 .text:00010B12 loc_10B12: ; CODE XREF: sub_10ADE+2D_j .text:00010B12 mov edi, [ebp+ClientId] .text:00010B15 cmp edi, ebx ; Little check to avoid a Null Pointer - -----------/ 这里得到了ClientId值的指针，如果非0的话就会忽略其指向。 /----------- .text:00010B17 jnz short loc_10B1C .text:00010B19 push ebx .text:00010B1A jmp short loc_10B73 .text:00010B1C .text:00010B1C loc_10B1C: ; CODE XREF: sub_10ADE+39_j .text:00010B1C mov [ebp+ms_exc.disabled], ebx .text:00010B1F mov esi, [edi] ; Here it crashes - -----------/ 如果所访问内存无效的话系统就会崩溃。 /----------- .text:00010B21 mov [ebp+var_1C], esi .text:00010B24 or [ebp+ms_exc.disabled], 0FFFFFFFFh .text:00010B28 jmp short loc_10B3B .text:00010B28 sub_10ADE endp - -----------/ Softwin BitDefender Antivirus 2008 Softwin ------- 目前厂商已经发布了升级补丁以修复这个安全问题，请到厂商的主页下载： <a href=http://www.bitdefender.com/ target=_blank>http://www.bitdefender.com/</a>
idSSV:3241
last seen2017-11-19
modified2008-04-30
published2008-04-30
reporterRoot
titleBitDefender Antivirus无效SSDT参数本地拒绝服务漏洞

References